Durable center ball joint

Abstract

The utility model provides a durable center ball joint, which relates to the technical field of automobile ball heads and comprises a protective shell, a ball seat is arranged on the inner side of the protective shell, a universal ball is arranged on the inner side of the ball seat, a mounting groove is formed in the top of the outer side of the ball seat, and a dustproof sleeve is arranged on the outer side of the ball seat. A plurality of fixing frames are fixedly connected to the outer side of the protective shell, and two movable rods are arranged on one side of each fixing frame. According to the dustproof cover, the extrusion bolt is screwed, then the connecting frame is pushed, the two movable rods drive the arc-shaped clamping plate to slide, then the dustproof cover is extruded and pushed to be clamped into the mounting groove, during disassembly, the extrusion bolt is disassembled through screwing, at the moment, the dustproof cover is pulled, the dustproof cover can be taken down to be replaced, and therefore the installation and disassembly difficulty of the dustproof cover is reduced; the labor and time cost is saved, the working efficiency is improved, the use stability of the dustproof sleeve is improved, and the actual use requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile ball joints, in particular to a durable central ball joint. Background Art

[0002] The car ball head is a connecting part between the car's steering gear and the steering wheel. It is one of the most critical accessories of a car and a safety part that ensures the steering and jumping of the steering wheel. The design and manufacturing level of the car ball head is directly reflected in the driving stability of the steering wheel. Poor design and manufacturing technology will cause problems such as loose steering wheel, shaking or difficulty in returning to the original position, and may even cause steering failure.

[0003] When using the existing center ball joint, the dust cover is usually installed and fixed on the outside of the ball head by using a retaining spring to achieve the dust-proof effect. However, the existing retaining spring structure is more troublesome to install and disassemble, the overall process is complicated, and the stability is poor. There are certain safety hazards and it is difficult to meet actual use needs. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art that the retaining spring structure is troublesome to install and disassemble, the overall process is complicated, the stability is poor, there are certain safety hazards, and it is difficult to meet actual use needs, and a durable center ball joint is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a durable center ball joint, including a protective shell, a ball seat is arranged on the inner side of the protective shell, a universal ball is arranged on the inner side of the ball seat, a mounting groove is opened on the outer top of the ball seat, a dust cover is arranged on the outer side of the ball seat, a plurality of fixing frames are fixedly connected to the outer side of the protective shell, two movable rods are arranged on one side of the fixing frame, one end of the movable rods is movably passed through the fixing frame and connected to the connecting frame, one side of the connecting frame is fixedly connected with an arc-shaped clamping plate, one side of the fixing frame is provided with an extrusion bolt, one end of the extrusion bolt is movably passed through the fixing frame and fits on one side of the connecting frame.

[0006] Preferably, two brackets are fixedly connected to the outer side of the protective shell, one end of the bracket is fixedly connected to an oil storage box, one end of the oil storage box is provided with a control valve, one end of the control valve is connected to a conduit, one end of the conduit passes through the protective shell and is connected to the ball seat.

[0007] Preferably, a fixing section is connected to the top of the universal ball, and a screw is fixedly connected to the top of the fixing section.

[0008] Preferably, the dust cover is sleeved on the outer side of the screw, and a through hole is penetrated through the outer side of the screw.

[0009] Preferably, a nut is installed on the outer side of the screw rod, and a plurality of limiting grooves are formed on the top of the nut.

[0010] Preferably, a sealing ring is provided on the outer side of the screw, and the sealing ring is arranged above the dust cover.

[0011] Preferably, a mounting seat is fixedly mounted on the outer side of the protective shell, and mounting bolts are arranged at the four top corners of the mounting seat.

[0012] Preferably, the arc-shaped clamping plate is tightly fitted on the outer side of the dust cover, and the arc-shaped clamping plate is clamped in the installation groove.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, by screwing the extrusion bolt, the connecting frame is pushed, so that the two movable rods drive the arc-shaped clamping plate to slide, thereby squeezing the dust cover and pushing it to be stuck in the installation groove. When disassembling, the extrusion bolt is removed by screwing, and the dust cover is pulled at this time to remove it for replacement, thereby reducing the difficulty of installation and disassembly of the dust cover, saving labor and time costs, improving work efficiency, and improving the stability of the dust cover when in use, meeting actual use needs.

[0015] 2. In the utility model, the oil storage box can be fixed to the outside of the protective shell by the bracket to prevent it from falling off. By opening the control valve, the lubricating oil stored in the oil storage box can flow from the conduit into the ball seat, thereby replenishing the lubricating oil in the ball seat, thereby improving the smoothness of the rotation of the universal ball, reducing wear, extending the service life of the ball head, and improving its durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional structural schematic diagram of a durable center ball joint is provided for the utility model;

[0017] Figure 2 A side view of a durable center ball joint is provided for the utility model;

[0018] Figure 3 A cross-sectional view of a durable center ball joint is provided for the utility model;

[0019] Figure 4 A partial structural schematic diagram of a durable center ball joint is provided for the utility model;

[0020] Figure 5 The utility model provides a partial structural schematic diagram of a durable central ball joint.

[0021] Legend: 1. Protective housing; 2. Ball seat; 3. Universal ball; 4. Mounting slot; 5. Dust cover; 6. Fixed bracket; 7. Movable rod; 8. Connecting bracket; 9. Arc clamp; 10. Extrusion bolt; 11. Bracket; 12. Oil storage box; 13. Control valve; 14. Conduit; 15. Connecting section; 16. Screw; 17. Nut; 18. Through hole; 19. Limiting slot; 20. Mounting seat; 21. Mounting bolt; 22. Sealing ring. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Example 1: Figure 1-Figure 5 As shown, the utility model provides a technical solution: a durable center ball joint, including a protective shell 1, a ball seat 2 is arranged on the inner side of the protective shell 1, a universal ball 3 is arranged on the inner side of the ball seat 2, a mounting groove 4 is opened on the outer top of the ball seat 2, a dust cover 5 is arranged on the outer side of the ball seat 2, a plurality of fixing frames 6 are fixedly connected to the outer side of the protective shell 1, two movable rods 7 are arranged on one side of the fixing frame 6, one end of the movable rod 7 is movably passed through the fixing frame 6 and is connected to a connecting frame 8, one side of the connecting frame 8 is fixedly connected with an arc-shaped clamping plate 9, one side of the fixing frame 6 is provided with an extrusion bolt 10, one end of the extrusion bolt 10 is movably passed through the fixing frame 6 and fits on one side of the connecting frame 8.

[0025] In this embodiment, by screwing the extrusion bolt 10, the connecting frame 8 is pushed, so that the two movable rods 7 drive the arc-shaped clamping plate 9 to slide, thereby squeezing the dust cover 5 and pushing it to be stuck into the installation groove 4. When disassembling, the extrusion bolt 10 is removed by screwing. At this time, the dust cover 5 is pulled to be removed and replaced, thereby reducing the difficulty of installation and disassembly of the dust cover 5, saving labor and time costs, improving work efficiency, and improving the stability of the dust cover 5 during use to meet actual use needs.

[0026] Example 2: Figure 1-Figure 5As shown, two brackets 11 are fixedly connected to the outer side of the protective shell 1, one end of the bracket 11 is fixedly connected to an oil storage box 12, one end of the oil storage box 12 is provided with a control valve 13, one end of the control valve 13 is connected to a conduit 14, one end of the conduit 14 passes through the protective shell 1 and is connected to the ball seat 2, the top of the universal ball 3 is connected to a fixed connection section 15, the top of the fixed connection section 15 is fixedly connected to a screw 16, the dust cover 5 is sleeved on the outer side of the screw 16, the outer side of the screw 16 is penetrated by a through hole 18, a nut 17 is installed on the outer side of the screw 16, and a plurality of limit grooves 19 are opened on the top of the nut 17, a sealing ring 22 is provided on the outer side of the screw 16, and the sealing ring 22 is arranged above the dust cover 5, a mounting seat 20 is fixedly installed on the outer side of the protective shell 1, and mounting bolts 21 are arranged at the four corners of the top of the mounting seat 20, the arc clamping plate 9 is tightly fitted on the outer side of the dust cover 5, and the arc clamping plate 9 is clamped in the mounting groove 4.

[0027] In this embodiment, the oil storage box 12 can be fixed to the outside of the protective shell 1 by the bracket 11 to prevent it from falling off. By opening the control valve 13, the lubricating oil stored in the oil storage box 12 can flow from the conduit 14 into the ball seat 2, thereby replenishing the lubricating oil in the ball seat 2, thereby improving the smoothness of the rotation of the universal ball 3, reducing wear, extending the service life of the ball head, and improving its durability. The ball head can be connected to the steering mechanism of the car by the screw 16 and the nut 17. The connection between the screw 16 and the dust cover 5 can be sealed by the sealing ring 22 to improve the sealing performance and prevent dust and moisture from penetrating into the ball seat 2. The nut 17 can be limited by the through hole 18 and the limiting slot 19 to prevent the nut 17 from loosening. The ball head can be installed on the steering wheel of the car as a whole by tightening the mounting bolt 21.

[0028] The working principle of this embodiment is as follows: when in use, first, the dust cover 5 is sleeved on the outside of the screw rod 16, and then the extrusion bolt 10 is screwed, thereby pushing the movable rod 7 and the arc-shaped clamping plate 9 to slide on the fixing frame 6, so that the arc-shaped clamping plate 9 squeezes the dust cover 5 and snaps into the mounting groove 4, and then the dust cover 5 is installed and fixed. After the car has been used for a long time, the control valve 13 can be opened to allow the lubricating oil in the oil storage box 12 to flow from the conduit 14 into the ball seat 2, and the lubricating oil is replenished inside the ball seat 2 to ensure the smoothness of the rotation of the universal ball 3. Finally, when the dust cover 5 needs to be disassembled and replaced, the extrusion bolt 10 is screwed and removed, and the dust cover 5 is pulled upward at the same time, and the dust cover 5 can be removed for replacement, thereby completing the use of the center ball joint.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A durable central ball joint, comprising a protective housing (1), characterized in that: A ball seat (2) is arranged on the inner side of the protective shell (1), a universal ball (3) is arranged on the inner side of the ball seat (2), a mounting groove (4) is arranged on the outer top of the ball seat (2), a dust cover (5) is arranged on the outer side of the ball seat (2), a plurality of fixing frames (6) are fixedly connected to the outer side of the protective shell (1), two movable rods (7) are arranged on one side of the fixing frame (6), one end of the movable rod (7) is movably passed through the fixing frame (6) and is connected to a connecting frame (8), one side of the connecting frame (8) is fixedly connected to an arc-shaped clamping plate (9), one side of the fixing frame (6) is provided with an extrusion bolt (10), one end of the extrusion bolt (10) is movably passed through the fixing frame (6) and is attached to one side of the connecting frame (8).

2. The durable center ball joint according to claim 1, characterized in that: Two brackets (11) are fixedly connected to the outer side of the protective shell (1), one end of the bracket (11) is fixedly connected to an oil storage box (12), one end of the oil storage box (12) is provided with a control valve (13), one end of the control valve (13) is connected to a conduit (14), and one end of the conduit (14) passes through the protective shell (1) and is connected to the ball seat (2).

3. The durable center ball joint according to claim 1, characterized in that: The top of the universal ball (3) is connected to a fixed connection section (15), and the top of the fixed connection section (15) is fixedly connected to a screw rod (16).

4. The durable center ball joint according to claim 3, characterized in that: The dust cover (5) is sleeved on the outer side of the screw rod (16), and a through hole (18) is formed through the outer side of the screw rod (16).

5. The durable center ball joint according to claim 4, characterized in that: A nut (17) is installed on the outer side of the screw rod (16), and a plurality of limit slots (19) are formed on the top of the nut (17).

6. The durable center ball joint according to claim 3, characterized in that: A sealing ring (22) is arranged on the outer side of the screw rod (16), and the sealing ring (22) is arranged above the dust cover (5).

7. The durable center ball joint according to claim 1, characterized in that: A mounting seat (20) is fixedly mounted on the outer side of the protective housing (1), and mounting bolts (21) are arranged at the four top corners of the mounting seat (20).

8. The durable center ball joint according to claim 1, characterized in that: The arc-shaped clamping plate (9) is tightly fitted on the outer side of the dust cover (5), and the arc-shaped clamping plate (9) is clamped in the installation groove (4).

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